This light is passed through a prism, which breaks it up into a spectrum.

这种光通过棱镜，而棱镜把它分割成了一道光谱。

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For cooler (blue or green) light, you'll tell the camera to warm things up, and in warm light, you'll tell it to cool down.

对于较冷的光源（蓝或绿色），你会让相机给照片增加暖色，而在暖光源下，你要让它给照片降温。

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The lamp takes energy from a plant growing in a wooden box and uses it to light up an LED light bulb.

这种灯从生长在一个木箱里的植物中获取能量，然后用它来点亮一个 LED 灯泡。

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"The eyes light up and click. It happens -- 'I didn't know you had this.'" Jenny Johnson is the executive director of marketing for the Online Computer Library Center.

VOA: special.2011.07.11

And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.

而且如果我们这么做，事实上，用光轰击它以逐出电子，它就会在原位置沿直线返回，或者如果它被撞击的足够猛烈,也会出现上述现象。

麻省理工公开课 - 化学原理课程节选

Well, we can continue. On a light-up valentine it means "don't stop, go."

勇往直前吧“

耶鲁公开课 - 文学理论导论课程节选

From the NBA, father Dell Curry now watches his sons Stephen (Golden State) and Seth (Duke) light it up from 3 the way Dad use to in the pros.

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And when you finger-paint with a kid or you dance and you see their little eyes light up, it's pretty incredible.

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When he shone a light up through it, he could see fine-grained particles of silica, known as chert, mixed in with what looked like coal.

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